通常商务交流中的书信书写格式分为四种，每一种都有其突出的地方，而选择用哪种格式则看写信人的爱好了。 Modified-Block Letter Format In this format each typed element - except the date and the signature block - begins at the left-hand margin. The date ...

Full block format is most common in business communications, but you may also use it when quoting long portions of text in academic documents. The left justification and one-inch margins give ...